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ADuM1446ARQZ 数据表(PDF) 4 Page - Analog Devices

部件名 ADuM1446ARQZ
功能描述  Micropower Quad-Channel Digital Isolators
Download  24 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADuM1446ARQZ 数据表(HTML) 4 Page - Analog Devices

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ADuM1440/ADuM1441/ADuM1442/ADuM1445/ADuM1446/ADuM1447
Data Sheet
Table 3. For All Models
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
DC SPECIFICATIONS
Input Threshold
Logic High
VIH
0.7 VDDx1
V
Logic Low
VIL
0.3 VDDx1
V
Output Voltages
Logic High
VOH
VDDx1 − 0.1
3.0
V
IOUTx = −20 µA, VIx = VIxH
VDDx1 − 0.4
2.8
V
IOUTx = −4 mA, VIx = VIxH
Logic Low
VOL
0.0
0.1
V
IOUTx = 20 µA, VIx = VIxL
0.2
0.4
V
IOUTx = 4 mA, VIx = VIxL
Input Current per Channel
II
−1
+0.01
+1
µA
0 V ≤ VIx≤ VDDx1
Input Switching Thresholds
Positive Threshold Voltage
VT+
1.8
V
Negative Going Threshold
VT−
1.2
V
Input Hysteresis
ΔVT
0.6
V
Undervoltage Lockout, VDD1 or VDD2
UVLO
1.5
V
Supply Current per Channel
Quiescent Current
Input Supply
IDDI (Q)
4.8
10
µA
ENX low
Output Supply
IDDO (Q)
0.8
3.3
µA
ENX low
Input (Refresh Off)
IDDI (Q)
0.12
µA
ENX high
Output (Refresh Off)
IDDO (Q)
0.13
µA
ENX high
Dynamic Supply Current
Input
IDDI (D)
88
µA/Mbps
Output
IDDO (D)
60
µA/Mbps
AC SPECIFICATIONS
Output Rise Time/Fall Time
tR/tF
2
ns
10% to 90%
Common-Mode Transient Immunity2
|CM|
25
40
kV/µs
VIx = VDDx1, VCM = 1000 V,
transient magnitude = 800 V
Refresh Rate
fr
14
kbps
1
VDDx = VDD1 or VDD2.
2 |CM| is the maximum common-mode voltage slew rate that can be sustained while maintaining VOUT > 0.8 VDDx. The common-mode voltage slew rates apply to both rising and
falling common-mode voltage edges.
Rev. 0 | Page 4 of 24


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